Inspiration
Astronomy Photographer of the Year
https://www.rmg.co.uk/whats-on/astronomy-photographer-year
Camera Controls
Aric Attas {Creative}
http://photonlab.com/photography-classes-florida/photography-101-vero-beach-fl/camera-controls/
Astrophotography Tutorials
How To Take Astronomy Photos
https://www.rmg.co.uk/whats-on/astronomy-photographer-year/how-to-guides
PhotoPills – Planning software and great tutorials
https://www.photopills.com/articles/definitive-guide-star-trails
Dave Morrow – Star Trails Tutorial
https://www.davemorrowphotography.com/2012/03/StarTrailsPhotographyTutorial.html
PetaPixel – Excellent tutorials
https://petapixel.com/2013/03/18/how-to-photograph-star-trails-from-start-to-finish/
Teach Yourself Astrophotography – Inspiring astrophotography “bookazine”
https://www.zinio.com/gb/teach-yourself-astrophotography-m34194
Process Your Own Hubble Images!
http://hubblesite.org/get_involved/hubble_image_processors